<?php
/**
 * 输出的列名没有找到异常
 * @author xiao<admin@end.wiki>
 * @time 2017-10-08 13:27
 */
 namespace exception;
 
 class OutputColumnNotFoundException extends \Exception{
	protected $code = 402;
	protected $message = '请检查列名是否存在！';
 }